Since 1963
ARTICLE
Unsteady body force model for rotating stall in axial compressor with various inlet conditions
1
COMAC Shanghai Aircraft Design and Research Institute, Shanghai, China
2
College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, Jiangsu, China
Submission date: 2023-01-19
Final revision date: 2023-09-02
Acceptance date: 2023-09-02
Online publication date: 2023-12-04
Publication date: 2024-01-31
Corresponding author
Journal of Theoretical and Applied Mechanics 2024;62(1):31-45
KEYWORDS
TOPICS
ABSTRACT
To analyze the dynamic stall of multistage axial compressors, a three-dimensional unsteady
numerical model is established based on the body force model. For a two-stage axial com-
pressor with a clean inlet, the calculated maximum steady static pressure rise coefficient
is only 0.1% different compared with the experimental data. The characteristic frequency
of the dynamic stall evolution basically agrees with the experimental results, which proves
the effectiveness of the model. For the compressor with a combined radial-circumferential
total pressure inlet distortion, the predictions preliminarily verify the ability of the model
for qualitative description of the flow instability process with the complex inlet distortion.
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| eISSN: | 2543-6309 |
| ISSN: | 1429-2955 |
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